4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2007, 2010 Develer S.r.l. (http://www.develer.com/)
30 * Copyright 2011 Onno <developer@gorgoz.org>
34 * \brief Low-level serial module for AVR XMEGA (interface).
36 * This file is heavily inspired by the AVR implementation for BeRTOS,
37 * but uses a different approach for implementing the different debug
38 * ports, by using the USART_t structs.
40 * \author Onno <developer@gorgoz.org>
44 #ifndef DRV_SER_XMEGA_H
45 #define DRV_SER_XMEGA_H
47 #include <cfg/macros.h> /* BV() */
48 #include <cfg/compiler.h> /* uint8_t */
49 #include "cfg/cfg_ser.h" /* Serialport configuration settings */
51 typedef uint8_t serstatus_t;
54 #define SERRF_RXFIFOOVERRUN BV(0) /**< Rx FIFO buffer overrun */
55 #define SERRF_RXTIMEOUT BV(5) /**< Receive timeout */
56 #define SERRF_TXTIMEOUT BV(6) /**< Transmit timeout */
60 * These flags map directly to the AVR XMEGA UART Status Register.
62 #define SERRF_RXSROVERRUN BV(3) /**< Rx shift register overrun */
63 #define SERRF_FRAMEERROR BV(4) /**< Stop bit missing */
64 #define SERRF_PARITYERROR BV(2) /**< Parity error */
65 #define SERRF_NOISEERROR 0 /**< Unsupported */
68 * XMEGA_D4 has 2 serial ports
69 * XMEGA_D3 has 3 serial ports
70 * XMEGA_A4 has 5 serial ports
71 * XMEGA_A3 has 7 serial ports
72 * XMEGA_A1 has 8 serial ports
74 * These serial ports can be enabled or disabled in the cfg_ser.h file
75 * Generate definitions whether a serial port needs to be implementend by
76 * the driver, depending on the type of XMega and the settings in cfg_ser.h
78 #if CONFIG_UART0_ENABLED
79 #define IMPLEMENT_SER_UART0 1
81 #define IMPLEMENT_SER_UART0 0
83 #if CONFIG_UART1_ENABLED
84 #define IMPLEMENT_SER_UART1 1
86 #define IMPLEMENT_SER_UART1 0
88 #if (CPU_AVR_XMEGA_D3 || CPU_AVR_XMEGA_A4 || CPU_AVR_XMEGA_A3 || CPU_AVR_XMEGA_A1) && CONFIG_UART2_ENABLED
89 #define IMPLEMENT_SER_UART2 1
91 #define IMPLEMENT_SER_UART2 0
93 #if CPU_AVR_XMEGA_A4 || CPU_AVR_XMEGA_A3 || CPU_AVR_XMEGA_A1
94 #if CONFIG_UART3_ENABLED
95 #define IMPLEMENT_SER_UART3 1
97 #define IMPLEMENT_SER_UART3 0
99 #if CONFIG_UART4_ENABLED
100 #define IMPLEMENT_SER_UART4 1
102 #define IMPLEMENT_SER_UART4 0
105 #define IMPLEMENT_SER_UART3 0
106 #define IMPLEMENT_SER_UART4 0
108 #if CPU_AVR_XMEGA_A3 || CPU_AVR_XMEGA_A1
109 #if CONFIG_UART5_ENABLED
110 #define IMPLEMENT_SER_UART5 1
112 #define IMPLEMENT_SER_UART5 0
114 #if CONFIG_UART6_ENABLED
115 #define IMPLEMENT_SER_UART6 1
117 #define IMPLEMENT_SER_UART6 0
120 #define IMPLEMENT_SER_UART5 0
121 #define IMPLEMENT_SER_UART6 0
123 #if CPU_AVR_XMEGA_A1 && CONFIG_UART7_ENABLED
124 #define IMPLEMENT_SER_UART7 1
126 #define IMPLEMENT_SER_UART7 0
131 * \name Serial hw numbers
137 #if IMPLEMENT_SER_UART0
140 #if IMPLEMENT_SER_UART1
143 #if IMPLEMENT_SER_UART2
146 #if IMPLEMENT_SER_UART3
149 #if IMPLEMENT_SER_UART4
152 #if IMPLEMENT_SER_UART5
155 #if IMPLEMENT_SER_UART6
158 #if IMPLEMENT_SER_UART7
161 SER_CNT /**< Number of serial ports implemented*/
165 #endif /* DRV_SER_XMEGA_H */